Use standard pattern for stdargs.h
We don't support older compilers. Most of the code in these files is for pre-3.0 gcc, which is at least 15 years obsolete. Move to using phk's sys/_stdargs.h for all these platforms. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D14323
This commit is contained in:
Warner Losh
parent
58a6aaf7ec
commit
33e959abab
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=329163
@ -1,144 +1,39 @@
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/*
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* JNPR: stdarg.h,v 1.3 2006/09/15 12:52:34 katta
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2017 Poul-Henning Kamp. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
|
||||
* are met:
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
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||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_STDARG_H_
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#define _MACHINE_STDARG_H_
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#include <sys/cdefs.h>
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#include <sys/_types.h>
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#include <sys/_stdarg.h>
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#if __GNUC__ >= 3
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#ifndef _VA_LIST_DECLARED
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#define _VA_LIST_DECLARED
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typedef __va_list va_list;
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#endif
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#define va_start(v,l) __builtin_va_start((v),l)
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#define va_end __builtin_va_end
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#define va_arg __builtin_va_arg
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#define va_copy __builtin_va_copy
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#else /* __GNUC__ */
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/* ---------------------------------------- */
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/* VARARGS for MIPS/GNU CC */
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/* ---------------------------------------- */
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#include <machine/endian.h>
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/* These macros implement varargs for GNU C--either traditional or ANSI. */
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/* Define __gnuc_va_list. */
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#ifndef __GNUC_VA_LIST
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#define __GNUC_VA_LIST
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typedef char * __gnuc_va_list;
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typedef __gnuc_va_list va_list;
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#endif /* ! __GNUC_VA_LIST */
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/* If this is for internal libc use, don't define anything but
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__gnuc_va_list. */
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#ifndef _VA_MIPS_H_ENUM
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#define _VA_MIPS_H_ENUM
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enum {
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__no_type_class = -1,
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__void_type_class,
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__integer_type_class,
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__char_type_class,
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__enumeral_type_class,
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__boolean_type_class,
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__pointer_type_class,
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__reference_type_class,
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__offset_type_class,
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__real_type_class,
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__complex_type_class,
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__function_type_class,
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__method_type_class,
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__record_type_class,
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__union_type_class,
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__array_type_class,
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__string_type_class,
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__set_type_class,
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__file_type_class,
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__lang_type_class
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};
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#ifndef va_start
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#error this file needs to be ported to your compiler
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#endif
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/* In GCC version 2, we want an ellipsis at the end of the declaration
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of the argument list. GCC version 1 can't parse it. */
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#if __GNUC__ > 1
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#define __va_ellipsis ...
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#else
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#define __va_ellipsis
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#endif
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#define va_start(__AP, __LASTARG) \
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(__AP = (__gnuc_va_list) __builtin_next_arg (__LASTARG))
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#define va_end(__AP) ((void)0)
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/* We cast to void * and then to TYPE * because this avoids
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a warning about increasing the alignment requirement. */
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/* The __mips64 cases are reversed from the 32 bit cases, because the standard
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32 bit calling convention left-aligns all parameters smaller than a word,
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whereas the __mips64 calling convention does not (and hence they are
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right aligned). */
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#ifdef __mips64
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#define __va_rounded_size(__TYPE) (((sizeof (__TYPE) + 8 - 1) / 8) * 8)
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#define __va_reg_size 8
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#if defined(__MIPSEB__) || (BYTE_ORDER == BIG_ENDIAN)
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#define va_arg(__AP, __type) \
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((__type *) (void *) (__AP = (char *) \
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((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
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+ __va_rounded_size (__type))))[-1]
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#else /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
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#define va_arg(__AP, __type) \
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((__AP = (char *) ((((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8) \
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+ __va_rounded_size (__type))), \
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*(__type *) (void *) (__AP - __va_rounded_size (__type)))
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#endif /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
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#else /* ! __mips64 */
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#define __va_rounded_size(__TYPE) \
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(((sizeof (__TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
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#define __va_reg_size 4
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#if defined(__MIPSEB__) || (BYTE_ORDER == BIG_ENDIAN)
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/* For big-endian machines. */
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#define va_arg(__AP, __type) \
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((__AP = (char *) ((__alignof__ (__type) > 4 \
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? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
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: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
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+ __va_rounded_size (__type))), \
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*(__type *) (void *) (__AP - __va_rounded_size (__type)))
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#else /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
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/* For little-endian machines. */
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#define va_arg(__AP, __type) \
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((__type *) (void *) (__AP = (char *) ((__alignof__(__type) > 4 \
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? ((__PTRDIFF_TYPE__)__AP + 8 - 1) & -8 \
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: ((__PTRDIFF_TYPE__)__AP + 4 - 1) & -4) \
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+ __va_rounded_size(__type))))[-1]
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#endif /* ! __MIPSEB__ && !BYTE_ORDER == BIG_ENDIAN */
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#endif /* ! __mips64 */
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/* Copy __gnuc_va_list into another variable of this type. */
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#define __va_copy(dest, src) (dest) = (src)
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#define va_copy(dest, src) (dest) = (src)
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#endif /* __GNUC__ */
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#endif /* _MACHINE_STDARG_H_ */
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#endif /* !_MACHINE_STDARG_H_ */
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@ -1,8 +1,7 @@
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2002 David E. O'Brien. All rights reserved.
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* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
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* Copyright (c) 2017 Poul-Henning Kamp. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -12,141 +11,29 @@
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* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
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||||
* 3. The name of the author may not be used to endorse or promote products
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||||
* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $NetBSD: stdarg.h,v 1.5 2000/02/27 17:50:21 tsubai Exp $
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* $FreeBSD$
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*/
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#ifndef _MACHINE_STDARG_H_
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#define _MACHINE_STDARG_H_
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#include <sys/cdefs.h>
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#include <sys/_types.h>
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#include <sys/_stdarg.h>
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#ifndef _VA_LIST_DECLARED
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#define _VA_LIST_DECLARED
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typedef __va_list va_list;
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#ifndef va_start
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#error this file needs to be ported to your compiler
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#endif
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#if defined(__GNUCLIKE_BUILTIN_STDARG)
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#define va_start(ap, last) \
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__builtin_va_start((ap), (last))
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#define va_arg(ap, type) \
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__builtin_va_arg((ap), type)
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#if __ISO_C_VISIBLE >= 1999
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#define va_copy(dest, src) \
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__builtin_va_copy((dest), (src))
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#define __va_copy(dest, src) \
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va_copy((dest), (src))
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#endif
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#define va_end(ap) \
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__builtin_va_end(ap)
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#else /* !__GNUCLIKE_BUILTIN_STDARG */
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#ifdef __lint__
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#define va_start(ap, last) ((ap) = *(va_list *)0)
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#define va_arg(ap, type) (*(type *)(void *)&(ap))
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#else
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#if defined(__GNUC_VA_LIST_COMPATIBILITY)
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#define va_start(ap, last) \
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(__builtin_next_arg(last), \
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__builtin_memcpy((void *)&(ap), __builtin_saveregs (), \
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sizeof(__gnuc_va_list)))
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#else
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#define va_start(ap, last) \
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(__builtin_next_arg(last), \
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(ap).__stack = __va_stack_args, \
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(ap).__base = __va_reg_args, \
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(ap).__gpr = __va_first_gpr, \
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(ap).__fpr = __va_first_fpr)
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#endif
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#define __va_first_gpr (__builtin_args_info(0))
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#define __va_first_fpr (__builtin_args_info(1) - 32 - 1)
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#define __va_stack_args \
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((char *)__builtin_saveregs() + \
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(__va_first_gpr >= 8 ? __va_first_gpr - 8 : 0) * sizeof(int))
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#define __va_reg_args \
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((char *)__builtin_frame_address(0) + __builtin_args_info(4))
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#define __INTEGER_TYPE_CLASS 1
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#define __REAL_TYPE_CLASS 8
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#define __RECORD_TYPE_CLASS 12
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#define __va_longlong(type) \
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(__builtin_classify_type(*(type *)0) == __INTEGER_TYPE_CLASS && \
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sizeof(type) == 8)
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#define __va_double(type) \
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(__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS)
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#define __va_struct(type) \
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(__builtin_classify_type(*(type *)0) >= __RECORD_TYPE_CLASS)
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#define __va_size(type) \
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((sizeof(type) + sizeof(int) - 1) / sizeof(int) * sizeof(int))
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||||
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#define __va_savedgpr(ap, type) \
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((ap).__base + (ap).__gpr * sizeof(int) - sizeof(type))
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#define __va_savedfpr(ap, type) \
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((ap).__base + 8 * sizeof(int) + (ap).__fpr * sizeof(double) - \
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sizeof(type))
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#define __va_stack(ap, type) \
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((ap).__stack += __va_size(type) + \
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(__va_longlong(type) ? (int)(ap).__stack & 4 : 0), \
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(ap).__stack - sizeof(type))
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#define __va_gpr(ap, type) \
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((ap).__gpr += __va_size(type) / sizeof(int) + \
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(__va_longlong(type) ? (ap).__gpr & 1 : 0), \
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(ap).__gpr <= 8 ? __va_savedgpr(ap, type) : __va_stack(ap, type))
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||||
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||||
#define __va_fpr(ap, type) \
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((ap).__fpr++, \
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(ap).__fpr <= 8 ? __va_savedfpr(ap, type) : __va_stack(ap, type))
|
||||
|
||||
#define va_arg(ap, type) \
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||||
(*(type *)(__va_struct(type) ? (*(void **)__va_gpr(ap, void *)) : \
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||||
__va_double(type) ? __va_fpr(ap, type) : \
|
||||
__va_gpr(ap, type)))
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||||
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||||
#endif /* __lint__ */
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||||
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||||
#define va_end(ap)
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||||
|
||||
#if __ISO_C_VISIBLE >= 1999
|
||||
#if !defined(_ANSI_SOURCE) && \
|
||||
(!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
|
||||
defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L)
|
||||
#define va_copy(dest, src) \
|
||||
((dest) = (src))
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#endif /* __GNUCLIKE_BUILTIN_STDARG */
|
||||
|
||||
#endif /* _MACHINE_STDARG_H_ */
|
||||
#endif /* !_MACHINE_STDARG_H_ */
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
/*-
|
||||
* Copyright (c) 2002 David E. O'Brien. All rights reserved.
|
||||
* Copyright (c) 1991, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*
|
||||
* Copyright (c) 2017 Poul-Henning Kamp. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@ -11,14 +11,11 @@
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
@ -27,53 +24,16 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)stdarg.h 8.1 (Berkeley) 6/10/93
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _MACHINE_STDARG_H_
|
||||
#define _MACHINE_STDARG_H_
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#include <sys/_types.h>
|
||||
#include <sys/_stdarg.h>
|
||||
|
||||
#ifndef _VA_LIST_DECLARED
|
||||
#define _VA_LIST_DECLARED
|
||||
typedef __va_list va_list;
|
||||
#ifndef va_start
|
||||
#error this file needs to be ported to your compiler
|
||||
#endif
|
||||
|
||||
#ifdef __GNUCLIKE_BUILTIN_STDARG
|
||||
|
||||
#define va_start(ap, last) \
|
||||
__builtin_va_start((ap), (last))
|
||||
|
||||
#define va_arg(ap, type) \
|
||||
__builtin_va_arg((ap), type)
|
||||
|
||||
#if __ISO_C_VISIBLE >= 1999
|
||||
#define va_copy(dest, src) \
|
||||
__builtin_va_copy((dest), (src))
|
||||
#endif
|
||||
|
||||
#define va_end(ap) \
|
||||
__builtin_va_end(ap)
|
||||
|
||||
#elif defined(lint)
|
||||
/* Provide a fake implementation for lint's benefit */
|
||||
#define __va_size(type) \
|
||||
(((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
|
||||
#define va_start(ap, last) \
|
||||
((ap) = (va_list)&(last) + __va_size(last))
|
||||
#define va_copy(dst, src) \
|
||||
((dst) = (src))
|
||||
#define va_arg(ap, type) \
|
||||
(*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
|
||||
#define va_end(ap)
|
||||
|
||||
#else /* !__GNUCLIKE_BUILTIN_STDARG */
|
||||
|
||||
#error no support for your compiler
|
||||
|
||||
#endif /* __GNUCLIKE_BUILTIN_STDARG */
|
||||
|
||||
#endif /* !_MACHINE_STDARG_H_ */
|
||||
|
||||
@ -1,18 +1,7 @@
|
||||
/*-
|
||||
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*
|
||||
* Copyright (c) 2002 David E. O'Brien. All rights reserved.
|
||||
* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This software was developed by the Computer Systems Engineering group
|
||||
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
|
||||
* contributed to Berkeley.
|
||||
*
|
||||
* All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Lawrence Berkeley Laboratory.
|
||||
* Copyright (c) 2017 Poul-Henning Kamp. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@ -23,10 +12,10 @@
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
@ -35,69 +24,16 @@
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* @(#)stdarg.h 8.2 (Berkeley) 9/27/93
|
||||
* $NetBSD: stdarg.h,v 1.11 2000/07/23 21:36:56 mycroft Exp $
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _MACHINE_STDARG_H_
|
||||
#define _MACHINE_STDARG_H_
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
#include <sys/_types.h>
|
||||
#include <sys/_stdarg.h>
|
||||
|
||||
#ifndef _VA_LIST_DECLARED
|
||||
#define _VA_LIST_DECLARED
|
||||
typedef __va_list va_list;
|
||||
#ifndef va_start
|
||||
#error this file needs to be ported to your compiler
|
||||
#endif
|
||||
|
||||
#ifdef __GNUCLIKE_BUILTIN_STDARG
|
||||
|
||||
#define va_start(ap, last) \
|
||||
__builtin_va_start((ap), (last))
|
||||
|
||||
#define va_arg(ap, type) \
|
||||
__builtin_va_arg((ap), type)
|
||||
|
||||
#if __ISO_C_VISIBLE >= 1999
|
||||
#define va_copy(dest, src) \
|
||||
__builtin_va_copy((dest), (src))
|
||||
#endif
|
||||
|
||||
#define va_end(ap) \
|
||||
__builtin_va_end(ap)
|
||||
|
||||
#else /* ! __GNUCLIKE_BUILTIN_STDARG */
|
||||
|
||||
#if !defined(__GNUCLIKE_BUILTIN_NEXT_ARG) && !defined(lint)
|
||||
#error no support for your compiler
|
||||
#endif
|
||||
|
||||
#define va_start(ap, last) \
|
||||
(__builtin_next_arg(last), (ap) = (va_list)__builtin_saveregs())
|
||||
|
||||
#define va_end(ap)
|
||||
|
||||
#define __va_arg8(ap, type) \
|
||||
(*(type *)(void *)((ap) += 8, (ap) - 8))
|
||||
#define __va_arg16(ap, type) \
|
||||
(*(type *)(void *)((ap) = (va_list)(((unsigned long)(ap) + 31) & -16),\
|
||||
(ap) - 16))
|
||||
#define __va_int(ap, type) \
|
||||
(*(type *)(void *)((ap) += 8, (ap) - sizeof(type)))
|
||||
|
||||
#define __REAL_TYPE_CLASS 8
|
||||
#define __RECORD_TYPE_CLASS 12
|
||||
#define va_arg(ap, type) \
|
||||
(__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS ? \
|
||||
(__alignof__(type) == 16 ? __va_arg16(ap, type) : \
|
||||
__va_arg8(ap, type)) : \
|
||||
(__builtin_classify_type(*(type *)0) < __RECORD_TYPE_CLASS ? \
|
||||
__va_int(ap, type) : \
|
||||
(sizeof(type) <= 8 ? __va_arg8(ap, type) : \
|
||||
(sizeof(type) <= 16 ? __va_arg16(ap, type) : \
|
||||
*__va_arg8(ap, type *)))))
|
||||
|
||||
#endif /* __GNUCLIKE_BUILTIN_STDARG */
|
||||
|
||||
#endif /* !_MACHINE_STDARG_H_ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user